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TI Davinci EMAC : Abstract Buffer address translation logic.

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When programming the DMA engine, the next pointers must be
programmed with physical address as seen from the DMA master
address space. This address may be different from physical
address of the buffer RAM area. This patch abstracts the
buffer address translation logic.

Signed-off-by: Sriramakrishnan <srk@ti.com>
Acked-by: Chaithrika U S <chaithrika@ti.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
This commit is contained in:
Sriramakrishnan 2009-11-19 15:58:27 +05:30 • committed by Kevin Hilman
parent 01a9af36cd
commit ad021ae886
2 changed files with 25 additions and 17 deletions
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1
include/linux/davinci_emac.h
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@ -19,6 +19,7 @@ struct emac_platform_data {
u32 ctrl_reg_offset;
u32 ctrl_mod_reg_offset;
u32 ctrl_ram_offset;
u32 hw_ram_addr;
u32 mdio_reg_offset;
u32 ctrl_ram_size;
u32 phy_mask;